Mich. Comp. Laws § 338.3404

Sec. 4. (1) A person who seeks accreditation to perform asbestos-related work in a school building or a public and commercial building in this state is required to complete initial training under this act. This initial training shall provide education in asbestos-containing materials inspection, management plan development, and response action technology. (2) The length of the initial training course required for accreditation under this act shall vary by discipline as follows: (a) An asbestos inspector shall complete a 3-day training course and successfully pass an examination. (b) An asbestos management planner shall complete the inspector training course as prescribed by subdivision (a) plus an additional 2 days of training devoted to management planning and shall successfully pass an examination on each course of training. (c) An asbestos abatement project designer shall complete not less than 3 days of training and successfully pass an examination. (d) An asbestos abatement contractor or supervisor shall complete a 5-day training course and successfully pass an examination. (e) An asbestos abatement worker shall complete a 4-day training course and successfully pass an examination. (3) A person who seeks reaccreditation under this act to perform asbestos-related work in a school building or a public and commercial building in this state shall complete a 1-day annual refresher training course, except that an asbestos inspector is only required to complete a 1/2-day annual refresher training course.